TimberLOK
Structural Wood Screw
TimberLOK delivers strong, code-compliant truss and rafter connections in seconds
No Pre-Drilling Required
Installs in a fraction of the time versus traditional lag bolts with fewer steps and less effort. Its sharp point and aggressive threads zip right into the densest woods.
ACQ Approved & Code Compliant
Tested and supported by engineering data that conforms to the most current ICC standards. It is also approved for use in ACQ or treated lumber.

Technical Bulletins / Installation Guides
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TimberLOK Technical Bulletin
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TimberLOK Technical Bulletin (Canadian)
Product Detail Drawings
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TimberLOK Fastener Technical Drawing (DWG)
Evaluation Reports
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TimberLOK Technical Evaluation Report - 1105-02
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TimberLOK Technical Evaluation Report - 1304-02
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TimberLOK Technical Evaluation Report - 1306-01
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TimberLOK Technical Evaluation Report - 1306-05
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TimberLOK Technical Evaluation Report - 1308-05
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ICC-ES Evaluation Report (ESR-1078)
Product Brochures
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TimberLOK Sell Sheet
Structural Detail Drawings
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TimberLOK - Truss or Rafter to Plate - Detail TL01 (PDF)
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TimberLOK - Truss or Rafter to Plate -Detail TL01 (DWG)
Part Numbers
LENGTH | TYPICAL APPLICATIONS | PACKAGING QTY | SKU |
2 1/2" | Doubling/sistering up 2x header or carrying beams | 12 pc clamshell | FMTLOK212-12 |
50 pc box | FMTLOK212-50 | ||
500 pc bucket | FMTLOK212-500 | ||
4" | Attaching 2x to 4x structures - fencing | 12 pc clamshell | FMTLOK04-12 |
50 pc box | FMTLOK04-50 | ||
250 pc bucket | FMTLOK04-250 | ||
6" | Replacing hurricane ties on rafters or trusses. Joining multiple 4x timbers | 12 pc clamshell | FMTLOK06-12 |
50 pc box | FMTLOK06-50 | ||
250 pc bucket | FMTLOK06-250 | ||
8" | Building up 6x landscape walls | 12 pc clamshell | FMTLOK08-12 |
50 pc box | FMTLOK08-50 | ||
250 pc bucket | FMTLOK08-250 | ||
0" | Post and Beam construction | 12 pc clamshell | FMTLOK10-12 |
50 pc box | FMTLOK10-50 | ||
250 pc box | FMTLOK10-250 |